Clamp



FIG. 1 is a perspective view of a clamp in a closed position showing mynew design;

FIG. 2 is a side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front view of the clamp in an open position;

FIG. 8 is a rear view thereof;

FIG. 9 is a top view thereof;

FIG. 10 is a bottom view thereof; and,

FIG. 11 is a side view thereof.

CLAIM The ornamental design for a clamp, as shown and described.